Bluetooth Car Kit,DLAND Bluetooth Wireless FM Transmitter Radio Adapter Car Charger with USB SD Card Reader and Remote Calling Functions For iPhone, Google, Samsung and Other Common Phones. The Little Bluetooth Car Ki Support Bluetooth hands-free phone calling via its build-in microphone. When you have a call during driving, noise and wind can be suppresses to create full duplex sound quality by CVC technology. After connecting it to mobile phone via Bluetooth, you can make or answer a call successfully with hands free car driving or reject the call by pressing the 5 second call button. Connection to Bluetooth devices and memory funtion: This car kit device can connect with other handheld Bluetooth devices because the bluetooth FM transmitter is equipped with built-in Bluetooth chip. After you turn on the device, the pairing function will be activated automatically. The memory function design makes it can automatically connect to its memorized paired Bluetooth device when it's on. Support an EXTRENAL TF Card, can play music files in MP3/WMA format. Support mobile's A2DP function. Music will be playd directly while the mobile phone is connected. Integrated car charger of output 5V-1000mA, is available for charging handheld devices in car. This Device transmits signal by wireless method, no need to modify anything in car. It can be used both as the music player in entertainment purpose or hands-free car kit in safety purpose during driving.